Updated at 1 p.m. on September 4, 2025: DEQ issued an Air Quality Advisory for 4 Idaho counties: Benewah, Bonner, Kootenai, and Shoshone (outside of reservation boundaries), where all burning is prohibited. Take steps to protect your health and check DEQ’s Air Quality Advisory map for current advisories.

Report a Potential Cyanobacteria Algal Bloom

Report a Potential Cyanobacteria Harmful Algal Bloom

Name
Email*
Phone number
Do you want your information kept confidential?
- Yes
- No
Date observed*
MM slash DD slash YYYY
In which county did you observe a potential bloom?*
Description of bloom*
Please describe the location and the appearance of the bloom.
What is the name of waterbody and/or location?*
Did you observe the potential bloom at a private or public waterbody?
- Public waterbody
- Private waterbody
- I do not know.
Are there any human illnesses associated with this report?
In the event of an illness, contact Poison Control at (800) 222-1222.
- Yes
- No
Are there any animal illnesses associated with this report?
In the event of an illness, contact Poison Control at (800) 222-1222.
- Yes
- No
Upload pictures below.
Upload a picture of the waterbody concern. Please include close-ups and overall area pictures.
Max. file size: 128 MB.

ver: 3.5.2 | last updated: February 27, 2025 at 01:32 pm